Materials are inputs to production[?] or manufacturing. They are often raw - that is unprocessed, but are sometimes processed before being used in more advanced production processes. In general, in technologically advanced societies, the materials are not finished consumer goods.
... is:
6H2O + 6CO2 + light → C6H12O6 (glucose) + 6O2
In simple English terms, this is carbon dioxide plus water plus light (energy) yields oxygen plus sugar. ...